BUCHI Pump Module C-605 - Manual (Page 36)

7 Maintenance
36 Pump Combinations Operation Manual, Version E
7 Maintenance
This chapter provides instructions on all required maintenance to keep the instrument in good working
condition.
WARNING
All maintenance and repair work requiring the opening or removal of instrument covers and lids must
be carried out by trained personnel and only with the tools provided for this purpose.
WARNING
Electrical hazard:
• Prior to any maintenance work on the instrument switch off the power supply and remove all
sources of flammable vapor.
ATTENTION
Use only genuine consumables and spare parts for any maintenance and repair work in order to
assure continued system performance and reliability. Any modifications to the spare parts used
should only be carried out with the prior written permission of the manufacturer.
7 .1 System cleaning
Solvent and sample residue in valves, connections or tubings can greatly impede the performance
of the system as well as greatly endanger your own health, e.g. when replacing a tubing. Thus, it is
essential to flush the entire system with clean solvent.
7 .2 Housing
Check the housing for defects (display, controls, plugs) and clean it regularly with a moist cloth.
ATTENTION
Never use solvents as cleaning agents as this may damage the instrument.
7 .3 Tube connections
Visually examine the tube connections regularly, if tubes become cracked and brittle replace them with
new ones.
7 .4 Sealing system
ATTENTION
When replacing the seals, take care not to damage them.
To prevent damaging the seals never apply grease and never touch them with sharp objects.
7 .5 Pressure sensors
• For safety reasons it is recommended to check the mixer and the overpressure sensor from time to
time.